1.1 This standard sets forth recommended work practices for vapor degreasing operations utilizing any of the following halogenated solvents: methylene chloride (dichloromethane), methyl chloroform (1,1,1-trichloroethane), perchloroethylene (tetrachloroethylene), trichloroethylene, and trichlorotrifluoroethane.

1.2 The values given in inch-pound units are to be regarded as the standard. The values stated in parentheses are for information only.

1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.